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- Design on automatic control system of coal tar distillation 煤焦油蒸馏自动控制系统的设计
- The process improvement of the coal tar distillation 煤焦油蒸馏过程的改进
- coal tar distillation 煤焦油精馏
- They will report on the experiments with coal tar. 他们将汇报煤焦油的试验情况。
- Soft pitch is a kind of residue obtained after distillation of high temperature coal tar. 高温煤焦油经过精馏后的残留物。
- Asphaltum: Natural mineral compounds consist of carbon, hydrogen, sulphur and nitrogen or the residue from distillation of petroleum, coal tar or rosin. 沥青:天然产生的沥青是含有碳、氢、硫和氮的矿产化合物。人造沥青是蒸溜石油，煤焦油或松脂后的余下渣滓。
- Obtained by distilling coal tar. 蒸馏焦油获得的轻油和脱酚后的酚油混合而成。
- Indole consists in washing oil of coal tar. 煤焦油洗油(以下简称洗油)中含有吲哚。
- Coal tar has a strong smell and can stain clothing. 煤焦油有很强烈的气味，并且会染污衣服。
- Our company ranks first in the output of coal tar. 我公司的煤黑油产量居全省之首。
- Natural mineral compounds consist of carbon, hydrogen, sulphur and nitrogen or the residue from distillation of petroleum, coal tar or rosin. 天然产生的沥青是含有碳、氢、硫和氮的矿产化合物。人造沥青是蒸溜石油，煤焦油或松脂后的余下渣滓。
- By means of new type of tray technology the tar distillation system at Panzhihua Iron &Steel Group has been improved. 采用新型塔板技术对攀钢的焦油蒸馏装置进行了改造。
- Any of various thick,dark,sticky substances obtained from the distillation residue of coal tar,wood tar,or petroleum and used for waterproofing,roofing,caulking,and paving. 沥青，人造沥青某种厚厚的、黑而粘的物质，由炭焦、木焦或石油的剩余物中提炼出来，用于防水、盖屋顶、填缝和铺路。
- The thermal destruction characteristics of condensation pitchs of two different distillation range's coal tar pitch are studied in defferent heating rate with TG and DTG. 用热重法(TG)、微商热重法(DTG)研究了馏程不同的两种煤沥青的缩聚沥青的不同升温速率的热解行为。
- Ammonia, coal tar and coke are all by-products obtained in the manufacture of coal gas. 氨气、煤焦油、焦煤都是煤气生产过程中的副产品。
- Any of various thick, dark, sticky substances obtained from the distillation residue of coal tar, wood tar, or petroleum and used for waterproofing, roofing, caulking, and paving. 沥青，人造沥青某种厚厚的、黑而粘的物质，由炭焦、木焦或石油的剩余物中提炼出来，用于防水、盖屋顶、填缝和铺路
- The chemist reported on his experiments with coal tar. 化学家提出他实验沥青的报告。
- Coal tar epoxy. Part A and Part B mixed prior to application. 环氧煤焦油沥青漆。使用前请将A、B组分搅拌均匀。
- Coal tar , acetic acid,dodecylbenzene Sulfonic Acid. 本品为深褐色液体；有醋酸及煤焦油的特臭。
- Aniline : A coal tar derivative used in penetrating tints. 苯胺:一种煤焦油的衍生物;用于渗透染料.
